Chlorophyll molecules are attached to thylakoid membranes by:
a. a long hydrocarbon tail.
b. the porphyrin ring.
c. the methyl group.
d. a magnesium ion.
e. a hydroxide group.
A
Biology & Microbiology
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Klinefelter and Turner syndromes are examples of
A. sex chromosome aneuploidy B. autosomal aneuploidy. C. reciprocal translocations. D. paracentric inversions.
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Basically a flower is composed of four concentric rings or parts known as:
A. calyxes B. spales C. whorls D. androeciums E. gynoeciums
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Radiation therapy is given by external sources only.
a. true b. false
Biology & Microbiology
All animals have cell junctions.
Answer the following statement true (T) or false (F)
Biology & Microbiology